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(2R,4R,5R,6S,7Z,9S,11S,12S,13E)-5,9,11-tris(tert-butyldimethylsilyloxy)-2,4,6,12-tetramethyl-15-(trityloxy)pentadeca-7,13-dien-1-ol
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(2R,4E,6R,8R,9R,10S,11Z,13S,15S,16S,17E)-9,13,15-tris(tert-butyldimethylsilyloxy)-2-[(2S,4S,5S)-2-(4-methoxyphenyl)-5-methyl-1,3-dioxan-4-yl]-6,8,10,16-tetramethyl-19-(trityloxy)nonadeca-4,11,17-trien-3-one
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